Earth working – With drive means for tool or cleaner – Plural driven tools
Patent
1976-08-23
1979-01-30
Johnson, Richard J.
Earth working
With drive means for tool or cleaner
Plural driven tools
172125, A01B 3306
Patent
active
041367421
ABSTRACT:
A rotary cultivator has a row of soil working members mounted on upwardly extending shafts that are geared to a driving shaft extending transverse to the direction of travel. The shafts have soil working tools at their lower ends and transmission gears at their upper ends. Intermediate their ends, the shafts are surrounded by bearings in respective housings. The housings can be disconnected from their supports and the shaft, bearings and housing corresponding to each member can be removed or replaced as a unit. Upon removal, transmission gears are disengaged. The supports for the housings can be bars connected to spaced apart beams of the frame to which gear box - bearing housings are fastened by bolts. Alternatively, an enclosed casing can be formed by an assembly of three spaced apart plates that form an upper gear chamber and a lower trough within which the housings are secured. The rims of the plates can be clamped by bolts and the bearing housings bolted to the lower two plates.
REFERENCES:
patent: 2050120 (1936-08-01), Pizarro
patent: 2110790 (1938-03-01), Daugherty
patent: 2741173 (1956-04-01), White
patent: 3667551 (1972-06-01), Lely
patent: 3774688 (1973-11-01), Lely
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